Medicare Supplement Plan

Medicare Supplement coverage for retired members is secondary medical coverage that supplements Medicare Parts A and B. It is offered to eligible members at retirement.​

COVID-19 update: Medicare Supplement participants receive 100 percent coverage (no copay, deductible, or coinsurance) for up to eight over-the-counter (OTC) home COVID-19 tests in a 30-day period at a participating Express Scripts pharmacy (or through Express Scripts Pharmacy home delivery service). Learn more.

How Medicare Supplement coverage works

Medicare Supplement coverage provides benefits for a wide range of medically necessary services and supplies beyond what Medicare pays, and some expenses that Medicare doesn’t cover at all.

Medicare Supplement costs

You pay a monthly subscription rate, or premium, for each eligible person enrolled in Medicare Supplement coverage, up to two premiums.

How to enroll in Medicare Supplement

If you are eligible when you retire, you may enroll in Medicare Supplement coverage or postpone enrollment until a later time by waiving coverage.

Continuous coverage waiver

You must meet a continuous coverage requirement to postpone enrollment in Medicare Supplement coverage until later.


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